W.A.Lewis' Model faces with challenge and at the same time it has its potential of extension and creation.When making use of W.A Lewis' Model in the binary economic and industrialization,this area presents a special model which W.A.Lewis' Model can not cover and analyses.And such specialization is an growing evolutionary period.Therefore analyses from the extension of the closed W.A Lewis' Model consists elements of capital,the transfer surplus labor,export trading and the transfer of technology which make up the open binary evolutionary economic development.